AUDI A1 2015 – Body electrical, CWZA . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A1 2015 - Brake fluid level warning contact - Ambient temperature sensor - Coolant shortage indicator sender - Windscreen washer fluid level sender - Control unit in dash panel insert

D2	Immobiliser reader coil
F34	Brake fluid level warning contact
G17	Ambient temperature sensor
G32	Coolant shortage indicator sender
G33	Windscreen washer fluid level sender
G106	Ambient temperature indicator
J285	Control unit in dash panel insert
K33	Brake fluid level warning lamp
K36	Coolant shortage warning lamp
K37	Washer fluid level warning lamp
ST3	Fuse carrier 3
SC9	Fuse 9 on fuse holder C
T2a	2-pin connector
T2aa	2-pin connector
T2l	2-pin connector
T2t	2-pin connector
T32f	32-pin connector
401	Earth connection (sender earth), in interior wiring harness
*	see applicable current flow diagram for fuse assignment

Wiring Diagram AUDI A1 2015 - Control unit in dash panel insert - Data bus diagnostic interface

G1	Fuel gauge
G5	Rev. counter
G11	Oil pressure gauge
J285	Control unit in dash panel insert
J533	Data bus diagnostic interface
J538	Fuel pump control unit
K61	Handbrake and brake pad wear warning lamp
K155	ESP and TCS warning lamp
T10d	10-pin connector
T14	14-pin connector, black
T16	16-pin connector
T20d	20-pin connector
T32f	32-pin connector
368	Earth connection 3, in main wiring harness
B708	Connection 1 (dash panel insert CAN bus high) in main wiring harness
B709	Connection 1 (dash panel insert CAN bus low) in main wiring harness
*	see applicable current flow diagram
*2	Diagnostic connection
*3	According to equipment

Wiring Diagram AUDI A1 2015 - Cruise control system switch - Steering column electronics control unit

E45	Cruise control system switch
J234	Airbag control unit
J527	Steering column electronics control unit
J623	Engine control unit
ST2	Fuse carrier 2
SC9	Fuse 9 on fuse holder C
T4h	4-pin connector
T16f	16-pin connector
T50	50-pin connector
T91	91-pin connector
368	Earth connection 3, in main wiring harness
*	Only models with cruise control system (CCS)
*2	see applicable current flow diagram for engine
*3	see applicable current flow diagram for airbag
*4	see applicable current flow diagram for fuse assignment

Wiring Diagram AUDI A1 2015 - Windscreen wiper switch - Turn signal switch - Intermittent wiper switch - Airbag coil connector and return ring with slip ring - Horn plate - Steering column electronics control unit - Driver side airbag igniter

E	Windscreen wiper switch
E2	Turn signal switch
E22	Intermittent wiper switch
F138	Airbag coil connector and return ring with slip ring
G85	Steering angle sender
H	Horn plate
J453	Multifunction steering wheel control unit
J527	Steering column electronics control unit
N95	Driver side airbag igniter
T12k	12-pin connector
*	Only models with multifunction steering wheel

Wiring Diagram AUDI A1 2015 - Steering column electronics control unit - Ignition key withdrawal lock solenoid

D	Ignition/starter switch
J527	Steering column electronics control unit
J587	Selector lever sensors control unit
N376	Ignition key withdrawal lock solenoid
T10k	10-pin connector
T16f	16-pin connector
B383	Connection 1 (powertrain CAN bus, high), in main wiring harness
B390	Connection 1 (powertrain CAN bus, low), in main wiring harness
B397	Connection 1 (convenience CAN bus, high), in main wiring harness
B406	Connection 1 (convenience CAN bus, low), in main wiring harness
*	According to equipment
*2	Only models with automatic gearbox

Wiring Diagram AUDI A1 2015 - Onboard supply control unit

J519	Onboard supply control unit
J764	Control unit for electronic steering column lock
ST1	Fuse carrier 1
ST2	Fuse carrier 2
SC3	Fuse 3 on fuse holder C
SC10	Fuse 10 on fuse holder C
SC12	Fuse 12 on fuse holder C
SC13	Fuse 13 on fuse holder C
SC15	Fuse 15 on fuse holder C
T16a	16-pin connector
T27a	27-pin connector, lower part of A-pillar, driver side
T52a	52-pin connector
T52b	52-pin connector
T52c	52-pin connector
372	Earth connection 7, in main wiring harness
381	Earth connection 16, in main wiring harness
B397	Connection 1 (convenience CAN bus, high), in main wiring harness
B406	Connection 1 (convenience CAN bus, low), in main wiring harness
*	see applicable current flow diagram for fuse assignment
*2	see applicable current flow diagram for convenience system
*3	Optional equipment

Wiring Diagram AUDI A1 2015 - Light switch - X-contact relief relay - Onboard supply control unit

C	Alternator
E1	Light switch
J59	X-contact relief relay
J367	Battery monitor control unit
J519	Onboard supply control unit
J532	Voltage stabiliser
ST2	Fuse carrier 2
SD5	Fuse 5 on fuse holder D
SD6	Fuse 6 on fuse holder D
T2x	2-pin connector
T4l	4-pin connector, black
T7e	7-pin connector
T8x	8-pin connector
T10e	10-pin connector
T12aa	12-pin connector
T52a	52-pin connector
T52b	52-pin connector
T52c	52-pin connector
B528	Connection 1 (LIN bus) in main wiring harness
B554	Connection (fog light), in main wiring harness
B605	Connection 1, in interior wiring harness
*	see applicable current flow diagram for fuse assignment
*2	Only models with panoramic sliding sunroof
*3	Only models with start/stop system

Wiring Diagram AUDI A1 2015 - Light switch - Onboard supply control unit

E1	Light switch
J519	Onboard supply control unit
J907	Starter relay 2
SC10	Fuse 10 on fuse holder C
SH	Fuse holder H
ST2	Fuse carrier 2
T2e	2-pin connector
T7e	7-pin connector
T10e	10-pin connector
T25a	25-pin connector
T52a	52-pin connector
T52b	52-pin connector
T52c	52-pin connector
367	Earth connection 2, in main wiring harness
B465	Connection 1, in main wiring harness
B466	Connection 2, in main wiring harness
*	see applicable current flow diagram for fuse assignment

Wiring Diagram AUDI A1 2015 - Onboard supply control unit - Left fog light bulb - Front left headlight

J519	Onboard supply control unit
L22	Left fog light bulb
L186	Bulb for left daytime running light and side light
MX1	Front left headlight
M5	Front left turn signal bulb
M29	Left headlight dipped beam bulb
M30	Left headlight main beam bulb
T10a	10-pin connector
T52a	52-pin connector
V48	Left headlight range control motor
366	Earth connection 1, in main wiring harness
367	Earth connection 2, in main wiring harness
B465	Connection 1, in main wiring harness
N2	Connection 1, in headlight range control wiring harness
*	Cross section depends on equipment

Wiring Diagram AUDI A1 2015 - Bonnet contact switch - Bonnet contact switch 2 - Onboard supply control unit - Right fog light bulb - Front right headlight

F266	Bonnet contact switch
F329	Bonnet contact switch 2
J519	Onboard supply control unit
L23	Right fog light bulb
L188	Bulb for right daytime running light and side light
MX2	Front right headlight
M7	Front right turn signal bulb
M31	Right headlight dipped beam bulb
M32	Right headlight main beam bulb
T10b	10-pin connector
T52a	52-pin connector
T52c	52-pin connector
V49	Right headlight range control motor
393	Earth connection 28, in main wiring harness
B465	Connection 1, in main wiring harness
N2	Connection 1, in headlight range control wiring harness
*	Cross section depends on equipment

Wiring Diagram AUDI A1 2015 - Hazard warning lights button - Start/Stop operation button - Onboard supply control unit - Indicator lamp for hazard warning light - Front passenger side airbag deactivated warning lamp - Start/Stop operation warning lamp

E229	Hazard warning lights button
E693	Start/Stop operation button
J234	Airbag control unit
J519	Onboard supply control unit
J623	Engine control unit
K6	Indicator lamp for hazard warning light
K145	Front passenger side airbag deactivated warning lamp
K259	Start/Stop operation warning lamp
ST2	Fuse carrier 2
SD8	Fuse 8 on fuse holder D
SD11	Fuse 11 on fuse holder D
T10m	10-pin connector
T50	50-pin connector
T52b	52-pin connector
T52c	52-pin connector
T91	91-pin connector
371	Earth connection 6, in main wiring harness
B163	Positive connection 1 (15), in interior wiring harness
B637	Connection 1 (airbag), in main wiring harness
*	Only models with start/stop system
*2	see applicable current flow diagram for engine
*3	see applicable current flow diagram for airbag
*4	see applicable current flow diagram for fuse assignment

Wiring Diagram AUDI A1 2015 - Heated rear window button - TCS and ESP button - Handbrake warning switch - Onboard supply control unit - Heated rear window warning lamp

E94	Heated driver seat regulator
E230	Heated rear window button
E256	TCS and ESP button
F9	Handbrake warning switch
J104	ABS control unit
J519	Onboard supply control unit
J882	Seat heating control unit
K10	Heated rear window warning lamp
T10n	10-pin connector
T16b	16-pin connector
T38a	38-pin connector
T52a	52-pin connector
T52b	52-pin connector
371	Earth connection 6, in main wiring harness
B163	Positive connection 1 (15), in interior wiring harness
B583	Positive connection (58), in interior wiring harness
*	Only models with seat heating
*2	see applicable current flow diagram for seat heating
*3	see applicable current flow diagram for ABS

Wiring Diagram AUDI A1 2015 - Parking aid button - Onboard supply control unit - Parking aid warning lamp - Left washer jet heater element - Right washer jet heater element

E95	Heated front passenger seat regulator
E266	Parking aid button
J446	Parking aid control unit
J519	Onboard supply control unit
J882	Seat heating control unit
K136	Parking aid warning lamp
T2i	2-pin connector
T2r	2-pin connector
T10o	10-pin connector
T16b	16-pin connector
T16e	16-pin connector
Z20	Left washer jet heater element
Z21	Right washer jet heater element
371	Earth connection 6, in main wiring harness
B163	Positive connection 1 (15), in interior wiring harness
B583	Positive connection (58), in interior wiring harness
*	Only models with parking aid (PDC)
*2	Only models with seat heating
*3	Only models with heater elements for washer jets
*4	see applicable current flow diagram
*5	see applicable current flow diagram for seat heating

Wiring Diagram AUDI A1 2015 - Headlight washer system relay - Onboard supply control unit - Washer pump - Headlight washer system pump

J39	Headlight washer system relay
J519	Onboard supply control unit
ST1	Fuse carrier 1
SD5	Fuse 5 on fuse holder D
T2v	2-pin connector
T52a	52-pin connector
T52b	52-pin connector
V5	Washer pump
V11	Headlight washer system pump
*	Only models with headlight washer system
*2	see applicable current flow diagram for fuse assignment

Wiring Diagram AUDI A1 2015 - Wiper motor relay 1 - Wiper motor relay 2 - Onboard supply control unit - Windscreen wiper motor

J368	Wiper motor relay 1
J369	Wiper motor relay 2
J519	Onboard supply control unit
SH	Fuse holder H, in E-box in engine compartment
T4g	4-pin connector
T25a	25-pin connector
T52b	52-pin connector
V	Windscreen wiper motor
392	Earth connection 27, in main wiring harness
*	see applicable current flow diagram for fuse assignment
*2	Wiring colour depends on equipment

Wiring Diagram AUDI A1 2015 - Brake light switch - Clutch position sender - Onboard supply control unit

F	Brake light switch
G476	Clutch position sender
J519	Onboard supply control unit
J623	Engine control unit
SH	Fuse holder H, in E-box in engine compartment
SH8	Fuse 8 in fuse holder H
SH13	Fuse 13 in fuse holder H
T4k	4-pin connector
T52c	52-pin connector
391	Earth connection 26, in main wiring harness
392	Earth connection 27, in main wiring harness
B335	Connection 1 (54), in main wiring harness
B351	Positive connection 2 (87a) in main wiring harness
*	Only models with manual gearbox
*2	see applicable current flow diagram for engine

Wiring Diagram AUDI A1 2015 - Reversing light switch - Terminal 15 voltage supply relay - Horn relay - Onboard supply control unit

F4	Reversing light switch
H2	Treble horn
H7	Bass horn
J329	Terminal 15 voltage supply relay
J413	Horn relay
J519	Onboard supply control unit
ST1	Fuse carrier 1
SD1	Fuse 1 on fuse holder D
ST2	Fuse carrier 2
SF3	Fuse 3 in fuse holder F
SC11	Fuse 11 on fuse holder C
T52a	52-pin connector
T52b	52-pin connector
395	Earth connection 30, in main wiring harness
B165	Positive connection 2 (15), in interior wiring harness
B273	Positive connection (15), in main wiring harness
B521	Connection (dual tone horn), in main wiring harness
*	see applicable current flow diagram for fuse assignment
*2	Only models with manual gearbox
*3	Only models with dual tone horn
*4	Wiring colour depends on equipment
*5	According to equipment

Wiring Diagram AUDI A1 2015 - Glove compartment light switch - Key operated switch to deactivate front passenger side airbag - Onboard supply control unit - Front left footwell light - Front right footwell light - Glove compartment light

E26	Glove compartment light switch
E224	Key operated switch to deactivate front passenger side airbag
J234	Airbag control unit
J519	Onboard supply control unit
K268	Front left footwell light
K269	Front right footwell light
T8hk	8-pin connector, near glove compartment
T50	50-pin connector
T52b	52-pin connector
W6	Glove compartment light
109	Earth connection, in airbag wiring harness
369	Earth connection 4, in main wiring harness
373	Earth connection 8, in main wiring harness
B433	Connection (footwell light), in main wiring harness
B488	Connection 24, in main wiring harness
*	Optional equipment
*2	see applicable current flow diagram for convenience system
*3	Only models with key operated switch to deactivate front passenger airbag
*4	see applicable current flow diagram for airbag

Wiring Diagram AUDI A1 2015 - Interior light switch - Onboard supply control unit - Vanity mirror light bulb - Front interior light - Front roof module - Rear left reading light - Rear right reading light - Front passenger reading light - Driver side reading light - Rear interior light

E317	Interior light switch
E457	Driver side reading light button
E458	Front passenger side reading light button
F147	Driver vanity mirror contact switch
F148	Front passenger vanity mirror contact switch
J519	Onboard supply control unit
L31	Vanity mirror light bulb
T4o	4-pin connector, red
T4p	4-pin connector, red
T6cb	6-pin connector
T8c	8-pin connector
T52c	52-pin connector
W1	Front interior light
WX3	Front roof module
W11	Rear left reading light
W12	Rear right reading light
W13	Front passenger reading light
W19	Driver side reading light
W43	Rear interior light
Y7	Automatic anti-dazzle interior mirror
369	Earth connection 4, in main wiring harness
B559	Positive connection 1 (30g) in main wiring harness
*	see applicable current flow diagram
*2	Optional equipment

Wiring Diagram AUDI A1 2015 - Glass breakage sensor for rear window - Onboard supply control unit - Rear window wiper motor - Heated rear window

C18	Window aerial suppression filter
G304	Glass breakage sensor for rear window
J9	Heated rear window relay
J519	Onboard supply control unit
ST1	Fuse carrier 1
ST2	Fuse carrier 2
SC8	Fuse 8 on fuse holder C
SD15	Fuse 15 on fuse holder D
T3l	3-pin connector, black
T52a	52-pin connector
T52b	52-pin connector
V12	Rear window wiper motor
Z1	Heated rear window
375	Earth connection 10, in main wiring harness
379	Earth connection 14, in main wiring harness
*	According to equipment
*2	For models with anti-theft alarm system

Wiring Diagram AUDI A1 2015 - Rear lid contact switch for anti-theft alarm - Release button for rear lid lock cylinder - Rear lid closed sender 1 - Onboard supply control unit - High-level brake light bulb - Rear lid central locking motor - Tank filler flap locking motor

C24	Suppression filter
F123	Rear lid contact switch for anti-theft alarm
F248	Release button for rear lid lock cylinder
G525	Rear lid closed sender 1
J519	Onboard supply control unit
M25	High-level brake light bulb
T2k	2-pin connector, black
T3l	3-pin connector, black
T52a	52-pin connector
T52b	52-pin connector
T52c	52-pin connector
V53	Rear lid central locking motor
V155	Tank filler flap locking motor
375	Earth connection 10, in main wiring harness
379	Earth connection 14, in main wiring harness
*	According to equipment
*2	Wiring colour depends on equipment

Wiring Diagram AUDI A1 2015 - Onboard supply control unit - Left tail light - Left tail light 2 - Left number plate light

J519	Onboard supply control unit
MX3	Left tail light
MX5	Left tail light 2
M6	Rear left turn signal bulb
M16	Left reversing light bulb
M21	Left brake and tail light bulb
M41	Left tail light and rear fog light bulb
M58	Left brake and tail light bulb 2
M80	Bulb 2 for rear left turn signal
M82	Left brake and tail light bulb 3
T52a	52-pin connector
T52c	52-pin connector
X4	Left number plate light
375	Earth connection 10, in main wiring harness
379	Earth connection 14, in main wiring harness
W33	Connection (reversing light), in rear lid wiring harness
*	Wiring colour depends on equipment

Wiring Diagram AUDI A1 2015 - Onboard supply control unit - Right tail light - Right tail light 2 - Right number plate light

J519	Onboard supply control unit
MX4	Right tail light
MX6	Right tail light 2
M8	Rear right turn signal bulb
M17	Right reversing light bulb
M22	Right brake and tail light bulb
M42	Right tail light and rear fog light bulb
M59	Right brake and tail light bulb 2
M81	Bulb 2 for rear right turn signal
M83	Right brake and tail light bulb 3
T52a	52-pin connector
T52c	52-pin connector
X5	Right number plate light
375	Earth connection 10, in main wiring harness
377	Earth connection 12, in main wiring harness
379	Earth connection 14, in main wiring harness
W33	Connection (reversing light), in rear lid wiring harness
*	Wiring colour depends on equipment
*2	Only left-hand drive models
*3	Only right-hand drive models

Wiring Diagram AUDI A1 2015 - Onboard supply control unit - Cigarette lighter illumination bulb - Cigarette lighter - 12 V socket - Luggage compartment light on left - Right luggage compartment light

J519	Onboard supply control unit
L28	Cigarette lighter illumination bulb
ST1	Fuse carrier 1
SC3	Fuse 3 on fuse holder C
T3g	3-pin connector
T52b	52-pin connector
U1	Cigarette lighter
U5	12 V socket
W18	Luggage compartment light on left
W35	Right luggage compartment light
370	Earth connection 5, in main wiring harness
375	Earth connection 10, in main wiring harness
377	Earth connection 12, in main wiring harness
B128	Connection (luggage compartment light), in interior wiring harness
B626	Positive connection 2 (15), in main wiring harness
*	see applicable current flow diagram for fuse assignment
*2	Optional equipment
*3	Wiring colour depends on equipment

AUDI A1 2015 Overview of control units in interior of vehicle (3-door models)

Overview of control units in interior of vehicle (3-door models)

q	for models with radio chorus or concert:

q	Overview of 5-door models

q	Overview of 5-door models

q	Overview of 5-door models

q	Overview of 5-door models

q	Overview of 5-door models

q	Overview of 5-door models

q	Fitting location and connectors for models with right-hand drive:

q	Overview of 5-door models

q	Overview of 5-door models

q	Fitting location and connectors for models with right-hand drive:

q	Overview of 5-door models

q	Overview of 5-door models

Immobiliser reader coil -D2-

q	Fitting location and connector for models with ignition lock:

q	Fitting location and connector for models without ignition lock (with keyless entry system):

q	Overview of 5-door models

q	Fitting location for models with right-hand drive:

q	Overview of 5-door models

q	Fitting location and connectors for models with right-hand drive:

q	Overview of 5-door models

q	Fitting location and connector for models with right-hand drive:

q	Overview of 5-door models

q	Overview of 5-door models

15 -

Radio -R-

q	for models with radio chorus or concert

q	Location: in middle part dash panel

q	Fitting location for models with MMI:

q	Overview of 5-door models

Overview of control units in interior of vehicle (5-door models)

2 -	CD changer -R41-

q	for models with MMI

q	Fitting location and connectors:

q	for models with radio chorus or concert:

6 -	Front passenger door control unit -J387-

q	Fitting location and connectors for models with left-hand drive:

q	Fitting location and connectors for models with right-hand drive:

8 -	Rear right door control unit -J389-

q	Location: in rear right door

10 -	Driver door control unit -J386-

q	Fitting location and connectors for models with left-hand drive:

q	Fitting location and connectors for models with right-hand drive:

11 -	Steering column electronics control unit -J527-

q	Location: on steering column

Immobiliser reader coil -D2-

q	Fitting location and connector for models with ignition lock:

q	Fitting location and connector for models without ignition lock (with keyless entry system):

13 -	16-pin connector -T16-, diagnosis connection

q	Fitting location for models with left-hand drive:

q	Fitting location for models with right-hand drive:

q	Fitting location and connectors for models with right-hand drive:

q	Fitting location and connector for models with right-hand drive:

17 -

Radio -R-

q	for models with radio chorus or concert

q	Location: in middle part dash panel

q	Fitting location for models with MMI:

17 -	Heater control unit -J65-

q	for models with heater (without air conditioning)

q	Location: at bottom of middle part dash panel

17 -	Air conditioning system control unit -J301-

q	for models with manual air conditioning system

q	Location: at bottom of middle part dash panel

Overview of control units in rear part of vehicle   Note Overview also valid for 5-door models!

q	for models with battery in engine compartment: location in engine compartment at battery negative terminal

3 -	Control units on left in luggage compartment:

3 -	Digital sound package control unit -J525-

q	Fitting location and connectors:

Radio -R-

q	for models with MMI

q	Fitting location and connectors:

q	Fitting location for models with radio chorus or concert (without MMI):

3 -	TV tuner -R78-

q	Fitting location and connectors:

3 -	TV card reader -R204-

q	Fitting location and connector:

AUDI A1 2015 CD changer R41

CD changer -R41-

Fitting location:

In glove compartment.

   

A -	CD changer -R41-

A5 -	8-pin connector, black (connector A) -T8aa-

AUDI A1 2015 Control unit for headlight range control J431 Control unit for headlight range control -J431- Fitting location: behind glove compartment.

A -	Control unit for headlight range control -J431-

AUDI A1 2015 Control units at instrument panel, front passenger side

Control units at instrument panel, front passenger side

Fitting location:

behind glove compartment, near A-pillar.

   

A -	Entry and start authorisation control unit -J518-

B1 -	16-pin connector, brown -T16e-

B3 -	12-pin connector, black -T12g-

C -	Aerial amplifier for mobile telephone -R86-

C2 -	1-pin connector, black -T1v-

D1 -	16-pin connector, black -T16b-

AUDI A1 2015 Airbag control unit J234 Airbag control unit -J234- Fitting location: on front centre console.

A -	Airbag control unit -J234-

AUDI A1 2015 Driver door control unit J386

Driver door control unit -J386-

Fitting location driver side door control unit -J386- for models with left-hand drive:

In driver door.

t	Illustration shows model with left-hand drive.

t	Illustration for models with right-hand drive .

   

A -	Driver door control unit -J386-

A2 -	16-pin connector -T16m-

A4 -	6-pin, connector -T6am-

Fitting location driver side door control unit -J386- for models with right-hand drive: In driver door.   Note t  Figure shows right-hand drive vehicle. t  Figure for left-hand drive vehicles .

A -	Driver door control unit -J386-

A1 -	32-pin connector -T32j-

A2 -	16-pin connector -T16m-

A3 -	20-pin connector -T20f-

A4 -	6-pin, connector -T6am-

AUDI A1 2015 Front passenger door control unit J387 Front passenger door control unit -J387- Fitting location front passenger door control unit -J387- for models with left-hand drive: In front passenger door.   Note t  Illustration shows model with left-hand drive. t  Illustration for models with right-hand drive .

A -	Front passenger door control unit -J387-

A2 -	16-pin connector -T16n-

A4 -	6-pin, connector -T6ao-

Fitting location front passenger door control unit -J387- for models with right-hand drive: In front passenger door.   Note t  Figure shows right-hand drive vehicle. t  Figure for left-hand drive vehicles .

A -	Front passenger door control unit -J387-

A1 -	32-pin connector -T32l-

A2 -	16-pin connector -T16n-

A3 -	20-pin connector -T20g-

A4 -	6-pin, connector -T6ao-

AUDI A1 2015 Voltage stabiliser J532 Voltage stabiliser -J532- Fitting location: Under front passenger seat.

A -	Voltage stabiliser -J532-

AUDI A1 2015 ESL control unit J764

ESL control unit -J764-

Fitting location:

under the steering column cover at bottom.

For models without ignition lock (with keyless entry system) only.

   

A -	ESL control unit -J764-

AUDI A1 2015 Immobiliser reader coil D2

Immobiliser reader coil -D2-

Fitting location Immobiliser reader coil -D2- for models with ignition lock:

under the steering column cover on right.

t	Illustration shows model with ignition lock.

t	Illustration for models without ignition lock (with keyless entry system) .

   

1 -	Immobiliser reader coil -D2-

2 -	2-pin connector -T2l-

Fitting location Immobiliser reader coil -D2- for models without ignition lock (with keyless entry system): under the steering column cover on right.   Note t  Illustration shows model without ignition lock (with keyless entry system). t  Illustration for models with ignition lock .

1 -	Immobiliser reader coil -D2-

2 -	2-pin connector -T2l-

AUDI A1 2015 Diagnosis connection - 16-pin connector T16 Diagnosis connection - 16-pin connector -T16- Fitting location of diagnosis connection - 16-pin connector -T16- for models with left-hand drive: Below the dash panel, driver side   Note t  Illustration shows model with left-hand drive. t  Illustration for models with right-hand drive .

A -	16-pin connector -T16-

Fitting location of diagnosis connection - 16-pin connector -T16- for models with right-hand drive: Below the dash panel, driver side   Note t  Figure shows right-hand drive vehicle. t  Figure for left-hand drive vehicles .

A -	16-pin connector -T16-

AUDI A1 2015 Data bus diagnostic interface J533 Data bus diagnostic interface -J533- Fitting location Data bus diagnostic interface -J533- for models with left-hand drive: Below the dash panel, driver side   Note t  Illustration shows model with left-hand drive. t  Illustration for models with right-hand drive .

A -	Data bus diagnostic interface -J533-

C -	20-pin connector, black -T20d-

.

A -	Data bus diagnostic interface -J533-

B -	2-pin connector, black -T2dl-

C -	20-pin connector, black -T20d-

AUDI A1 2015 Onboard supply control unit J519 Onboard supply control unit -J519- Fitting location Onboard supply control unit -J519- for models with left-hand drive: Below the dash panel, driver side   Note t  Illustration shows model with left-hand drive. t  Illustration for models with right-hand drive .

D -	Onboard supply control unit -J519-

B -	52-pin connector, white (connector B) -T52b-

Fitting location Onboard supply control unit -J519- for models with right-hand drive:

Below the dash panel, driver side

t	Figure shows right-hand drive vehicle.

t	Figure for left-hand drive vehicles .

   

D -	Onboard supply control unit -J519-

A -	52-pin connector, black (connector A) -T52a-

B -	52-pin connector, white (connector B) -T52b-

C -	52-pin connector, brown (connector C) -T52c-

AUDI A1 2015 Fuel pump control unit J538 Fuel pump control unit -J538- Fitting location: Under rear seat bench, right.   Note For models with petrol engine only.

A -	Fuel pump control unit -J538-

B1 -	5-pin connector -T5a-

AUDI A1 2015 Battery monitor control unit J367 Battery monitor control unit -J367- Fitting location: at battery negative terminal.   Note t  Illustration shows model with battery in luggage compartment. t  For models with battery in engine compartment: fitting location of -J367- correspondingly identical on negative terminal of battery.

1 -	battery -A-

2 -	Battery monitor control unit -J367-

AUDI A1 2015 Control units on left in luggage compartment

Control units on left in luggage compartment

Fitting location:

on left in luggage compartment.

   

A -	Digital sound package control unit -J525-

A3 -	38-pin connector, black -T38-

B -	TV tuner -R78-

B2 -	2-pin connector, green -T2dn-

B4 -	2-pin connector, black -T2do-

B6 -	20-pin connector, black -T20c-

C -

Radio -R-

C2 -	2-pin connector -T2dg-

C3 -	Single connector -T1l- (for satellite radio - SDARS)

-	4-pin connector, blue -T4ai-

AUDI A1 2015 Overview of fuses

Overview of fuses

Overview also valid for 5-door models!

   

q	Fitting location for models with right-hand drive:

Fuse holder A -SA-

q	Fitting location:

q	Fitting location for models with right-hand drive:

Relay/fuse holder F -SF-

q	Fitting location for models with left-hand drive:

q	Fitting location for models with right-hand drive:

q	For S1 version models only, from January 2014

q	For models from November 2014 only.

q	Fitting location for models with battery in engine compartment, up to October 2014:

AUDI A1 2015 Fuse holder A SA Fuse holder A -SA- Fitting location, fuse holder A -SA-: At battery positive terminal (for models with battery in luggage compartment only)

A -	Battery isolation igniter -N253-

1 -	Fuse 1 on fuse holder A -SA1-,

2 -	Fuse 2 on fuse holder A -SA2-,

3 -	Fuse 3 on fuse holder A -SA3-,

AUDI A1 2015 Fuse holder B SB

Fuse holder B -SB-

Fitting location fuse holder B -SB- for models with battery in engine compartment:

in left of engine compartment.

t	Figure shows fuse holder B -SB- for models with battery in engine compartment only.

t	Figure: fuse holder B -SB- for models with battery in luggage compartment .

   

A -	Fuse holder B -SB-

1 -	Fuse 1 on fuse holder B -SB1-,

2 -	Fuse 2 on fuse holder B -SB2-,

3 -	Fuse 3 on fuse holder B -SB3-,

4 -	Fuse 4 on fuse holder B -SB4-,

5 -	Fuse 5 on fuse holder B -SB5-,

6 -	Fuse 6 on fuse holder B -SB6-,

7 -	Fuse 7 on fuse holder B -SB7-,

.

A -	Fuse holder B -SB-

1 -	Fuse 1 on fuse holder B -SB1-,

2 -	Fuse 2 on fuse holder B -SB2-,

3 -	Fuse 3 on fuse holder B -SB3-,

4 -	Fuse 4 on fuse holder B -SB4-,

5 -	Fuse 5 on fuse holder B -SB5-,

6 -	Fuse 6 on fuse holder B -SB6-,

7 -	Fuse 7 on fuse holder B -SB7-,

1)	-	Onboard supply 1) Engine component supply 1)	30
4	-	Fuse 4 on fuse holder B -SB4-	80 A	-	Power steering control unit -J500-	30
5	-	Fuse 5 on fuse holder B -SB5-	50 A 2) 40 A 3)	-	Radiator fan thermal switch -F18- Radiator fan control unit -J293-	30
6	-	Fuse 6 on fuse holder B -SB6-	50 A	-	Automatic glow period control unit -J179-	30
7	-	Fuse 7 on fuse holder B -SB7-	60 A	-	High heat output relay -J360- Battery monitor control unit -J367-1) Auxiliary heater element -Z35-	30

1)  no longer fitted, phased out (model year 2011) 3)  phased-in modification (model year 2011) AUDI A1 2015 Fuses in electronics box in fuse holder B SB / Fuse holder H SH Fuses in electronics box in fuse holder B -SB-/ Fuse holder H -SH- Locationfuse holder B -SB-/ Fuse holder H -SH-: In electronics box, in left engine compartment. For S1 version models only, from January 2014 For models from November 2014 only.

A -	Electronics box with fuse holder B -SB- and Fuse holder H -SH-

1 -	Fuse 1 on fuse holder B -SB1-

2 -	Fuse 2 on fuse holder B -SB2-

3 -	Terminal 30 battery +

4 -	Fuse 3 on fuse holder B -SB3-

5 -	Fuse 4 on fuse holder B -SB4-

6 -	Fuse 5 on fuse holder B -SB5-

Fuses in electronics box in fuse holder B -SB- Fuse assignment in fuse holder B -SB-

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder B -SB1-	110 A4) 50 A5)	-	Onboard supply 4) Engine component supply4) Radiator fan control unit -J293-5) Radiator fan -V7-5)	30
2	-	Fuse 2 on fuse holder B -SB2-	250 A	-	Alternator -C- Voltage regulator -C1-	30
3	-	Terminal 30	-	-	Battery +	30
4	-	Fuse 3 on fuse holder B -SB3-	80 A	-	Power steering control unit -J500-	30
5	-	Fuse 4 on fuse holder B -SB4-	50 A6)	-	Automatic glow period control unit -J179-6) Glow plug 1 -Q10- Glow plug 2 -Q11- Glow plug 3 -Q12- Glow plug 4 -Q13-	30
6	-	Fuse 5 on fuse holder B -SB5-	50 A7) -8) - 9)	-	Radiator fan control unit -J293-7) Radiator fan -V7-7) -	30
	-	Fuse 1 (30) -S204-9)	125 A	-	Onboard supply 8) Engine component supply8)	30

4)  for models from November 2014 only 6)  for models up to October 2014 8)  Fuse 5 on fuse holder B -SB5- bridged, (see note)   Note t  for models with battery in engine compartment only, from November 2014, fuse 5 on fuse holder B is t  -SB5- not present. This connection is therefore bridged. In the line (16.0 mm², red), connected to -6-, there is an inline fuse (single fuse in wiring harness coiled under the battery carrier), fuse 1 (30) -S204- (125 A). t  Fuse 1 (30) -S204- is only accessible with the battery and carrier removed. Fuses in electronics box in fuse holder H -SH- Fuse assignment in fuse holder H -SH- For S1 version models only, from January 2014 For models from November 2014 only. Fuse colours 40 A -  orange 35 A -  green-blue 30 A -  green 25 A -  white 20 A -  yellow 15 A -  blue 10 A -  red 7,5 A -  brown 5 A -  beige

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder H -SH1-	40 A	-	Heater element for auxiliary air heater -Z35-, stage 1	30
2	-	Fuse 2 on fuse holder H -SH2-	30 A	-	Radiator fan control unit -J293- Radiator fan -V7-	30
3	-	Fuse 3 on fuse holder H -SH3-	-	-	Vacant	30
4	-	Fuse 4 on fuse holder H -SH4-	40 A	-	Heater element for auxiliary air heater -Z35-, stage 2	30
5	-	Fuse 5 on fuse holder H -SH5-	40 A	-	Heater element for auxiliary air heater -Z35-, stage 3	30
6	-	Fuse 6 on fuse holder H -SH6-	30 A	-	Mechatronic unit for dual clutch gearbox -J743-	30
7	-	Fuse 7 on fuse holder H -SH7-	7.5 A	-	Engine control unit -J623-	30
8	-	Fuse 8 on fuse holder H -SH8-	20 A	-	Wiper motor switch-over relay 1 -J368- Wiper motor switch-over relay 2 -J369-	30
9	-	Fuse 9 on fuse holder H -SH9-	5 A	-	Battery monitor control unit -J367-	30
10	-	Fuse 10 on fuse holder H -SH10-	10 A	-	Suppression filter -C24-	30
11	-	Fuse 11 on fuse holder H -SH11-	-	-	Vacant	30
12	-	Fuse 12 on fuse holder H -SH12-	10 A12) 15 A13)10)11)	-	Lambda probe heater -Z19- Lambda probe 1 heater after catalytic converter -Z29-	87
13	-	Fuse 13 on fuse holder H -SH13-	5 A	-	Brake light switch -F- Clutch position sender -G476-	87
14	-	Fuse 14 on fuse holder H -SH14-	5 A13) 10 A10)11)12)	-	Thermal switch for air conditioning system shut-off -F163- Fuel metering valve -N290- Oil pressure regulation valve -N428- Cylinder head coolant valve -N489- Coolant circulation pump -V50- Circulation pump -V55- Charge air cooling pump -V188- Auxiliary heating pump -V488-	87
15	-	Fuse 15 on fuse holder H -SH15-	5 A	-	Onboard supply control unit -J519-, T52c/34 Engine control unit -J623-, T91/67;T94/... Voltage stabiliser -J532-, T12aa/4	50
16	-	Fuse 16 on fuse holder H -SH16-	30 A	-	Starter motor -B-	50
17	-	Fuse 17 on fuse holder H -SH17-	15 A12)13) 30 A10)11)	-	Engine control unit -J623-	87
18	-	Fuse 18 on fuse holder H -SH18-	5 A10)11) 10 A12)13)	-	Oil level and oil temperature sender -G266- Fuel pump relay -J17- Radiator fan control unit -J293- Low heat output relay -J359- High heat output relay -J360- Charge pressure control solenoid valve -N75- Recirculation valve for turbocharger -N249- Intake manifold flap valve -N316- Oil pressure regulation valve -N428- Cooling oil valve -N471-	87
19	-	Fuse 19 on fuse holder H -SH19-	7.5 A10) 10 A11)13) 20 A12)	-	Engine component current supply relay -J757- Fuel pressure regulating valve -N276- Fuel metering valve -N290- Injector 2 for cylinder 1 -N532- Injector 2 for cylinder 2 -N533- Injector 2 for cylinder 3 -N534- Injector 2 for cylinder 4 -N535- Actuator 1 for camshaft adjustment -F366- Actuator 2 for camshaft adjustment -F367- Actuator 3 for camshaft adjustment -F368- Actuator 4 for camshaft adjustment -F369- Actuator 5 for camshaft adjustment -F370- Actuator 6 for camshaft adjustment -F371- Actuator 7 for camshaft adjustment -F372- Actuator 8 for camshaft adjustment -F373- Vacuum pump for brakes -V192-	87
20	-	Fuse 20 on fuse holder H -SH20-	5 A10)11) 10 A13) 20 A12)	-	Automatic glow period control unit -J179- Exhaust flap control unit -J883- Crankcase breather heater element -N79- Activated charcoal filter solenoid valve 1 -N80- Camshaft control valve 1 -N205- Exhaust camshaft control valve 1 -N318- Continued coolant circulation pump -V51- Sender 1 for secondary air pressure -G609- Sender 2 for secondary air pressure -G610-	87

10)  for models with 1.6 l diesel engine only 12)  for models with 1.8 l/2.0 l petrol engine only AUDI A1 2015 fuse holder C SC fuse holder C -SC- Fitting location of fuse holder C -SC- for models with left-hand drive: Below the dash panel cover, driver side   Note t  Illustration shows model with left-hand drive. t  Illustration for models with right-hand drive .

ST1 -

Fuse carrier 1, fuses

ST2 -

Fuse carrier 2, fuses

ST3 -

Fuse carrier 3, fuses

.

ST1 -

Fuse carrier 1, fuses

ST2 -

Fuse carrier 2, fuses

ST3 -

Fuse carrier 3, fuses

Fuse colours 40 A -  orange 35 A -  green-blue 30 A -  green 25 A -  white 20 A -  yellow 15 A -  blue 10 A -  red 7,5 A -  brown 5 A -  beige

Fuses in fuse carrier 2 -ST2- on fuse holder C -SC- (brown)

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder C -SC1-	5 A	-	Alarm horn -H12- Anti-theft alarm sensor -G578-	30
2	-	Fuse 2 on fuse holder C -SC2-	5 A 19) 5 A 16) 7.5 A 14) 7.5 A 15) 7.5 A 17) 7.5 A18) 7.5 A 20)	-	Terminal 30 voltage supply relay -J317-22) Motronic current supply relay -J271-21) Engine control unit -J623-	30
3	-	Fuse 3 on fuse holder C -SC3-	5 A	-	Onboard supply control unit -J519-	30
4	-	Fuse 4 on fuse holder C -SC4-	5 A 15 A23)	-	ABS control unit -J104- Voltage stabiliser 2 -J570- All-wheel drive control unit -J492-23)	30
5	-	Fuse 5 on fuse holder C -SC5-	-	-	Vacant	-
6	-	Fuse 6 on fuse holder C -SC6-	5 A	-	Light/rain sensor -G397- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- Front roof module -WX3-	30
7	-	Fuse 7 on fuse holder C -SC7-	15 A 21) 20 A 22)	-	Fuel pump control unit -J538-21) Fuel pump relay -J17-22)	30
8	-	Fuse 8 on fuse holder C -SC8-	10 A21)	-	Auxiliary coolant pump relay -J496-, up to October 2014	30
9	-	Fuse 9 on fuse holder C -SC9-	5 A	-	Steering column electronics control unit -J527-	30
10	-	Fuse 10 on fuse holder C -SC10-	5 A	-	Light switch -E1-	30
11	-	Fuse 11 on fuse holder C -SC11-	10 A	-	Climatronic control unit -J255- Air conditioning system control unit -J301- Front passenger door control unit -J387- (up to April 2012) Rear right door control unit -J389- (up to April 2012) 16-pin connector -T16-, diagnosis connection	30
12	-	Fuse 12 on fuse holder C -SC12-	10 A	-	Driver door control unit -J386- (up to April 2012) Rear left door control unit -J388- (up to April 2012)	30
13	-	Fuse 13 on fuse holder C -SC13-	10 A	-	Onboard supply control unit -J519-	30
14	-	Fuse 14 on fuse holder C -SC14-	20 A	-	Relay for power sockets -J807-, for models without trailer socket only	30
15	-	Fuse 15 on fuse holder C -SC15-	30 A	-	Onboard supply control unit -J519-	30
16	-	Fuse 16 on fuse holder C -SC16-	20 A	-	Wiper motor switch-over relay 1 -J368-, up to October 2014 Engine component current supply relay -J757-23)24) Ignition coil 1 with output stage -N70-23)24) Ignition coil 2 with output stage -N127-23)24) Ignition coil 3 with output stage -N291-23)24) Ignition coil 4 with output stage -N292-23)24)	30

14)  for models with 1.4 l petrol engine (90 kW) only 16)  for models with 1.4 l petrol engine (136 kW) only 18)  for models with 1.6 l diesel engine only 20)  for models with petrol engine only 22)  for models with 2.0 l petrol engine, from January 2014 24)  Fuses in fuse carrier 3 -ST3- on fuse holder C -SC- (red) No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder C -SC1- 5 A 30) 5 A 31) 20 A 26) 20 A 27) 20 A 28) - Automatic glow period control unit -J179- Vacuum pump for brakes -V192- 15 2 - Fuse 2 on fuse holder C -SC2- 10 A 5 A34) - Brake light switch -F- (up to October 2011) brake pedal switch -F63- (up to October 2011) auxiliary coolant pump relay -J496- Lambda probe heater -Z19- (up to October 2011) Lambda probe 1 heater after catalytic converter -Z29-, (up to October 2011) Supply Fuse 9 on fuse holder F -SF9-, (from November 2011, up to October 2014) Supply Fuse 10 on fuse holder F -SF10- (from November 2011, up to October 2014) ABS control unit -J104-, from November 2011 15 3 - Fuse 3 on fuse holder C -SC3- 5 A 29) 5 A 30) 5 A 31) 7.5 A27) 15 A 25) 15 A 26) 15 A 28) - Air mass meter -G70-, up to October 2014 Fuel pump relay -J17-, up to October 2014 Low heat output relay -J359-, up to October 2014 High heat output relay -J360-, up to October 2014 Engine component current supply relay -J757-, up to October 2014 Fuel pressure regulating valve -N276-, up to October 2014 Coolant circulation pump -V50-, up to October 2014 15 4 - Fuse 4 on fuse holder C -SC4- 15 A 25) 15 A 26) 15 A 28) 15 A 27) 25 A 29) 30 A 30) 30 A 31) - Engine control unit -J623- Clutch position sender -G476-, up to October 2011 Brake light switch -F-, up to October 2011 15 5 - Fuse 5 on fuse holder C -SC5- 20 A 29) 15 A 30) 15 A 31) 20 A 25) 20 A 26) 20 A 28) 30 A 27) - Ignition coil 1 with output stage -N70-, up to October 2014 Ignition coil 2 with output stage -N127-, up to October 2014 Ignition transformer -N152-, up to October 2014 Fuel pressure regulating valve -N276-, up to October 2014 Fuel metering valve -N290-, up to October 2014 Ignition coil 3 with output stage -N291-, up to October 2014 Ignition coil 4 with output stage -N292-, up to October 2014 15 6 - Fuse 6 on fuse holder C -SC6- 10 A 20 A 27) - Radiator fan control unit -J293-, up to October 2014 Heater element relay -J925-, up to October 2014 Charge pressure control solenoid valve -N75-, up to October 2014 Activated charcoal filter solenoid valve 1 -N80-, up to October 2014 Exhaust camshaft control valve 1 -N205-, up to October 2014 Recirculation valve for turbocharger -N249-, up to October 2014 Intake manifold flap valve -N316-, up to October 2014 Exhaust camshaft control valve 1 -N318-, up to October 2014 Switchover valve for exhaust recirculation cooler -N345-, up to October 2014 Oil pressure regulation valve -N428-, up to October 2014 Intake cam adjuster for cylinder 2 -N583-, up to October 2014 Exhaust cam adjuster for cylinder 2 -N587-, up to October 2014 Intake cam adjuster for cylinder 3 -N591-, up to October 2014 Exhaust cam adjuster for cylinder 3 -N595-, up to October 2014 Pump for exhaust recirculation cooler -V400- 15 7 - Fuse 7 on fuse holder C -SC7- 5 A - CD changer -R41- 15 8 - Fuse 8 on fuse holder C -SC8- 5 A - Internet access control unit -J666- Chip card reader control unit -J676- Radio -R- TV tuner -R78- 15 9 - Fuse 9 on fuse holder C -SC9- 5 A - Control unit in dash panel insert -J285- 15 10 - Fuse 10 on fuse holder C -SC10- 5 A - Relay for automatic anti-dazzle interior mirror -J910- Automatic anti-dazzle interior mirror -Y7- 15 11 - Fuse 11 on fuse holder C -SC11- 7.5 A 32) 15 A 33) - Radio -R- Control unit for information electronics 1 -J794- 15 12 - Fuse 12 on fuse holder C -SC12- 5 A - Display unit for front information display and operating unit control unit -J685- 15 25)  for models with 1.4 l petrol engine (90 kW) only 27)  for models with 1.4 l petrol engine (136 kW) only 29)  for models with 1.6 l diesel engine only 31)  for models with MMI only 33)  from November 2011 AUDI A1 2015 Fuse holder D SD Fuse holder D -SD- Fitting location of fuse holder D -SD- for models with left-hand drive: Below the dash panel cover, front passenger side   Note t  Illustration shows model with left-hand drive. t  Illustration for models with right-hand drive .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses Fuse colours 40 A -  orange 35 A -  green-blue 30 A -  green 25 A -  white 20 A -  yellow 15 A -  blue 10 A -  red 7,5 A -  brown 5 A -  beige     35) - Engine component current supply relay -J757-, up to October 2014 Fuel pressure regulating valve -N276- , up to October 2014 30 12 - Fuse 12 on fuse holder D -SD12- - - Vacant 30 35)  Fuses in fuse carrier -ST2- on fuse holder D -SD- (brown) No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder D -SD1- 5 A - Reversing light switch -F4- Selector lever sensors control unit -J587- Mechatronic unit for dual clutch gearbox -J743- 15 2 - Fuse 2 on fuse holder D -SD2- 10 A - High-pressure sender -G65- Oil level and oil temperature sender -G266- Air conditioning system control unit -J301- Relay for power sockets -J807- Automatic anti-dazzle interior mirror -Y7- 16-pin connector -T16-, diagnosis connection 15 3 - Fuse 3 on fuse holder D -SD3- 5 A - Data bus diagnostic interface -J533- 15 4 - Fuse 4 on fuse holder D -SD4- 5 A - Heater control unit -J65- Control unit for structure-borne sound -J869- 15 5 - Fuse 5 on fuse holder D -SD5- 7.5 A - Light switch -E1- Starter relay 1 -J906- Voltage stabiliser -J532- Starter relay 2 -J907- Relay for automatic anti-dazzle interior mirror -J910- Front left headlight -MX1- Front right headlight -MX2- 15 6 - Fuse 6 on fuse holder D -SD6- 5 A - Light switch -E1- 15 7 - Fuse 7 on fuse holder D -SD7- 5 A - ABS control unit -J104-, up to October 2014 Voltage stabiliser 2 -J570-, up to October 2014 Electronically controlled damping control unit -J250-, from January 2014 15 8 - Fuse 8 on fuse holder D -SD8- 5 A - Heated driver seat regulator -E94- Heated front passenger seat regulator -E95- Hazard warning lights button -E229- Heated rear window button -E230- TCS and ESP button -E256- Parking aid button -E266- Tyre pressure monitor display button -E492- Start/Stop operation button -E693- Trailer detector control unit -J345- Left washer jet heater element -Z20- Right washer jet heater element -Z21- 15 9 - Fuse 9 on fuse holder D -SD9- 5 A - Power steering control unit -J500- 15 10 - Fuse 10 on fuse holder D -SD10- 5 A 36) 7.5 A 37) - Air mass meter -G70- Fuel pump control unit -J538- Crankcase breather heater element -N79- 15 11 - Fuse 11 on fuse holder D -SD11- 5 A - Airbag control unit -J234- Front passenger airbag deactivated warning lamp -K145- 15 12 - Fuse 9 on fuse holder D -SD12- 5 A - Parking aid control unit -J446- 15 13 - Fuse 10 on fuse holder D -SD13- 5 A - Control unit for headlight range control -J431- 15 14 - Fuse 9 on fuse holder D -SD14- 30 A - Seat heating control unit -J882- 15 15 - Fuse 10 on fuse holder D -SD15- 15 A - Rear window wiper motor -V12- 15 16 - Fuse 11 on fuse holder D -SD16- 5 A - Engine control unit -J623- Air mass meter -G70- 15 36)  for models with diesel engine only     AUDI A1 2015 Relay/ fuse holder F SF Relay/fuse holder F -SF- Fitting location of relay/fuse holder F -SF- for models with left-hand drive: Below the dash panel, driver side   Note t  Illustration shows model with left-hand drive. t  Illustration for models with right-hand drive .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car SF1 -  Fuse 1 on fuse holder F SF2 -  Fuse 2 on fuse holder F SF3 -  Fuse 3 on fuse holder F SF4 -  Fuse 4 on fuse holder F SF5 -  Fuse 5 on fuse holder F SF6 -  Fuse 6 on fuse holder F 16 -  Fuse 9 on fuse holder F -SF9- 17 -  Fuse 10 on fuse holder F -SF10- Below the dash panel, driver side Fitting location of relay/fuse holder F -SF- for models with right-hand drive: Below the dash panel, driver side   Note t  Figure shows right-hand drive vehicle. t  Figure for left-hand drive vehicles .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car SF1 -  Fuse 1 on fuse holder F SF2 -  Fuse 2 on fuse holder F SF3 -  Fuse 3 on fuse holder F SF4 -  Fuse 4 on fuse holder F SF5 -  Fuse 5 on fuse holder F SF6 -  Fuse 6 on fuse holder F 16 -  Fuse 9 on fuse holder F -SF9- 17 -  Fuse 10 on fuse holder F -SF10- AUDI A1 2015 Overview of earth points Overview of earth points   Note Overview also valid for 5-door models!     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    685 Earth point 1 on front right longitudinal member q   Fitting location:    686 Earth point 2 on front right longitudinal member q   Fitting location:    638 Earth point on right A-pillar q   Fitting location:    687 Earth point 1 on centre tunnel q   Fitting location:    688 Earth point 2 on centre tunnel q   Fitting location:    62 Earth point, right C-pillar q   Fitting location:    624 Earth point next to starter battery q   Fitting location:    61 Earth point, left C-pillar q   Fitting location:    670 Earth point 2, left A-pillar q   Fitting location:    639 Earth point on left A-pillar q   Fitting location:    673 Earth point 3 on front left longitudinal member q   Fitting location:    672 Earth point 2 on front left longitudinal member q   Fitting location:    1 Earth strap, battery - body q   Fitting location:    671 Earth point 1 on front left longitudinal member q   Fitting location:    671 Earth point 1 on front left longitudinal member -arrow- Fitting location: On outside at front of left longitudinal member. Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    1 Earth strap, battery - body with jump start connection -TV32--Arrow- Fitting location: At top of front left wheel arch. Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    672 Earth point 2 on front left longitudinal member -arrow- Fitting location: on front of left longitudinal member, near suspension turret No longer fitted, phased out in 2012, modified position at fitting location:, 1). Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    672 Earth point 2, on front left longitudinal member arrow -A- 1)  Gradual introduction during model year 2012.    673 Earth point 3 at front of left longitudinal member -arrow B- Fitting location: on front of left longitudinal member, near inside of suspension turret Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    685 Earth point 1 on front right longitudinal member -arrow- Fitting location: on front of right longitudinal member, near front of suspension turret. Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    686 Earth point 2 on front right longitudinal member -arrow- Fitting location: on inside at front of right longitudinal member. Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    670 Earth point 2 on left A-pillar-arrow B- Fitting location: At bottom of left A-pillar, under trim. Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    688 Earth point 2 on centre tunnel -arrow B- Fitting location: At front of centre tunnel, under trim. Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    638 Earth point, right A-pillar -arrow- Fitting location: on right A-pillar, under trim. Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    61 Earth point on left C-pillar -arrow- Fitting location: In luggage compartment, near left C-pillar. Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    62 Earth point, on right C-pillar -arrow- Fitting location: In luggage compartment, near right C-pillar. Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    624 Earth point, starter battery -arrow- Fitting location: Near starter battery negative terminal Torque: 18 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car AUDI A1 2015 Overview of control units

Overview of control units

Overview also valid for 5-door models!

   

1 -	Control unit for right daytime running light and side light -J861-

q	Fitting location: in right gas discharge headlight

3 -	Mechatronic unit for dual clutch gearbox -J743-

q	Fitting location: on gearbox

q	Location and connectors, 196-pin

7 -	Control unit for left daytime running light and side light -J860-

q	Fitting location: in left gas discharge headlight

AUDI A1 2015 ABS control unit J104

ABS control unit -J104-

Fitting location:

in engine compartment, right.

   

A -	ABS control unit -J104-

AUDI A1 2015 Engine control unit J623

Fitting location. 154-pin connector

Fitting location:

in engine compartment - bulkhead.

   

A -	Engine control unit -J623-

C -	94-pin connector, black -T94-

Fitting location, 196-pin connector Fitting location: in engine compartment - bulkhead.

A -	Engine control unit -J623-

C -	91-pin connector, black -T91-

Automatic glow period control unit -J179- Fitting location: in left of engine compartment.   Note models with diesel engine only.

1 -	Automatic glow period control unit -J179-

AUDI A1 2015 Power steering control unit J500 Power steering control unit -J500- Fitting location: at front - lower left.

A -	Power steering control unit -J500-

A2 -	2-pin connector -T2b- (plug A)

AUDI A1 2015 Overview of coupling stations (3-door models)

Overview of coupling stations (3-door models)

q	Fitting location for models with right-hand drive:

q	Overview of 5-door models

q	Overview of 5-door models

q	Fitting location for models with right-hand drive:

q	Overview of 5-door models

4 -	Connection for external audio sources -R199- (AUX)

q	Location for models with -R199- as AUX connection:

q	Overview of 5-door models

q	Fitting location for models with right-hand drive:

q	Overview of 5-door models

q	Fitting location for models with right-hand drive:

q	Overview of 5-door models

q	Fitting location for 5-door models

AUDI A1 2015 Overview of coupling stations (5-door models)

Overview of coupling stations (5-door models)

q	Fitting location for models with right-hand drive:

q	Fitting location for models with right-hand drive:

q	Fitting location for models with right-hand drive:

q	Fitting location for models with right-hand drive:

8 -	Connection for external audio sources -R199- (AUX)

q	Location for models with -R199- as AUX connection:

AUDI A1 2015 Seat wiring coupling station, driver side Seat wiring coupling station, driver side Location of coupling station seat wiring driver side for models with left-hand drive: under driver seat on vehicle floor.   Note t  Illustration shows model with left-hand drive. t  Illustration for models with right-hand drive .

1 -	5-pin connector, black (belt seat disconnection point) -T5n-

2 -	6-pin connector, green (seat heating seat disconnection point) -T6l-

3 -	3-pin connector, yellow (airbag seat disconnection point) -T3k-

.

1 -	5-pin connector, black (belt seat disconnection point) -T5n-

2 -	6-pin connector, green (seat heating seat disconnection point) -T6l-

3 -	3-pin connector, yellow (airbag seat disconnection point) -T3k-

AUDI A1 2015 Seat wiring coupling station, front passenger side Seat wiring coupling station, front passenger side Location of coupling station seat wiring front passenger side for models with left-hand drive: under front passenger seat on vehicle floor   Note t  Illustration shows model with left-hand drive. t  Illustration for models with right-hand drive .

1 -	5-pin connector, black (belt seat disconnection point) -T5m-

2 -	6-pin connector, green (seat heating seat disconnection point) -T6k-

3 -	3-pin connector, yellow (airbag seat disconnection point) -T3h-

.

1 -	5-pin connector, black (belt seat disconnection point) -T5m-

2 -	6-pin connector, green (seat heating seat disconnection point) -T6k-

3 -	3-pin connector, yellow (airbag seat disconnection point) -T3h-

AUDI A1 2015 Coupling station for driver's side door wiring harness Location of coupling station door wiring harness driver side for models with left-hand drive: On lower A-pillar, driver side.   Note t  Illustration shows model with left-hand drive. t  Illustration for models with right-hand drive .

A -	27-pin connector, lower A-pillar, driver side -T27a-

.

A -	27-pin connector, lower A-pillar, driver side -T27a-

AUDI A1 2015 Coupling station for front passenger's door wiring harness Location of coupling station door wiring harness front passenger side for models with left-hand drive: On lower A-pillar, front passenger side.   Note t  Illustration shows model with left-hand drive. t  Illustration for models with right-hand drive .

A -	27-pin connector, lower A-pillar, front passenger side -T27c-

.

A -	27-pin connector, lower A-pillar, driver side -T27c-

AUDI A1 2015 Connection for external audio sources R199 as AUX connection Connection for external audio sources -R199- as AUX connection Fitting location: In front centre console.   Note For models with AUX connection only.

A -	Connection for external audio sources -R199-

AUDI A1 2015 Connection for external audio sources R199 as Audi music interface (AMI) Connection for external audio sources -R199- as Audi music interface (AMI) Fitting location: In glove compartment.   Note For models with Audi music interface (AMI) only.

A -	Connection for external audio sources -R199-

AUDI A1 2015 Window aerial suppression filter C18 Window aerial suppression filter -C18- Fitting location: at the rear left of the luggage compartment

-	Window aerial suppression filter -C18-

AUDI A1 2015 Overview of relays

Overview of relays

Overview also valid for 5-door models!

   

q	Fitting location for models with right-hand drive, up to October 2014:

q	Fitting location for models with left-hand drive, from November 2014:

q	Fitting location for models with right-hand drive, from November 2014:

q	Not for S1 version models, from January 2014

3 -	Electronics box: relay / fuse holder B -SB-, Fuse holder H -SH-, from January 2014

q	Components:-J271-; -J317-; -J360-; -J368-; -J369-; -JJ906-; -J907-

q	Fitting location for S1 models, from January 2014:

q	Fitting location for models from November 2014:

AUDI A1 2015 Relay/ fuse holder F SF Relay/fuse holder F -SF- for models with diesel engine only 2)  for models with petrol engine only 4)  from August 2010   Note t  Illustration shows model with left-hand drive. t  Illustration for models with right-hand drive .

1 -	Headlight washer system relay -J39-

q	Position 1.1

1 -	Horn relay -J413-

q	Position 1.2

2 -	Terminal 15 voltage supply relay -J329-

3 -	X-contact relief relay -J59-

4 -	Fuel pump relay -J17-

q	Position 4.1

4 -	Heater element relay -J925-

q	Position 4.2

5 -	High heat output relay -J360-

6 -	Terminal 50 voltage supply relay -J682-

6 -	Starter relay 1 -J906-

q	Position 6.1

6 -	Starter relay 2 -J907-

q	Position 6.2

7 -	Heated rear window relay -J9-

8 -	Motronic current supply relay -J271-

8 -	Terminal 30 voltage supply relay -J317-

8 -	Relay for power sockets -J807-

9 -	Low heat output relay -J359-

10 -	Motronic current supply relay -J271-

10 -	Terminal 30 voltage supply relay -J317-

10 -	Relay for power sockets -J807-

11 -

Vacant

12 -

Vacant

13 -	Voltage stabiliser 2 -J570-

14 -

Vacant

15 -	Relay for automatic anti-dazzle interior mirror -J910-

16 -

Vacant

17 -

Vacant

for models with diesel engine only 7)  for models with petrol engine only 9)  from August 2010   Note t  Figure shows right-hand drive vehicle. t  Figure for left-hand drive vehicles.

1 -	Headlight washer system relay -J39-

q	Position 1.1

1 -	Horn relay -J413-

q	Position 1.2

2 -	Terminal 15 voltage supply relay -J329-

3 -	X-contact relief relay -J59-

4 -	Fuel pump relay -J17-

q	Position 4.1

4 -	Heater element relay -J925-

q	Position 4.2

5 -	High heat output relay -J360-

6 -	Terminal 50 voltage supply relay -J682-

6 -	Starter relay 1 -J906-

q	Position 6.1

6 -	Starter relay 2 -J907-

q	Position 6.2

7 -	Heated rear window relay -J9-

8 -	Motronic current supply relay -J271-

8 -	Terminal 30 voltage supply relay -J317-

8 -	Relay for power sockets -J807-

9 -	Low heat output relay -J359-

10 -	Motronic current supply relay -J271-

10 -	Terminal 30 voltage supply relay -J317-

10 -	Relay for power sockets -J807-

11 -	Relay for automatic anti-dazzle interior mirror -J910-

12 -

Vacant

13 -	Voltage stabiliser 2 -J570-

14 -

Vacant

15 -

Vacant

16 -

Vacant

17 -

Vacant

AUDI A1 2015 Relay/ fuse holder F SF Relay/fuse holder F -SF- for models with diesel engine only, from November 2014   Note t  Illustration shows model with left-hand drive. t  Illustration for models with right-hand drive.

1 -	Headlight washer system relay -J39-

q	Position 1.1

1 -	Horn relay -J413-

q	Position 1.2

2 -	Terminal 15 voltage supply relay -J329-

3 -	X-contact relief relay -J59-

4 -	Fuel pump relay -J17-

5 -

Vacant

6 -	Relay for automatic anti-dazzle interior mirror -J910-

q	Position 6.1

6 -	Engine component current supply relay -J757-

q	Position 6.2

7 -	Heated rear window relay -J9-

8 -	Relay for power sockets -J807-

9 -	Low heat output relay -J359-

10 -

Vacant

11 -

Vacant

12 -

Vacant

13 -

Vacant

14 -

Vacant

15 -

Vacant

16 -

Vacant

17 -

Vacant

for models with diesel engine only, from November 2014   Note t  Illustration shows right-hand drive vehicle. t  Illustration for left-hand drive vehicles.

1 -	Headlight washer system relay -J39-

q	Position 1.1

1 -	Horn relay -J413-

q	Position 1.2

2 -	Terminal 15 voltage supply relay -J329-

3 -	X-contact relief relay -J59-

4 -	Fuel pump relay -J17-

5 -

Vacant

6 -	Relay for automatic anti-dazzle interior mirror -J910-

q	Position 6.1

6 -	Engine component current supply relay -J757-

q	Position 6.2

7 -	Heated rear window relay -J9-

8 -	Relay for power sockets -J807-

9 -	Low heat output relay -J359-

10 -

Vacant

11 -

Vacant

12 -

Vacant

13 -

Vacant

14 -

Vacant

15 -

Vacant

16 -

Vacant

17 -

Vacant

AUDI A1 2015 Engine compartment box, up to October 2014 Engine compartment box, up to October 2014 Fitting location: in left of engine compartment.

1 -	Auxiliary coolant pump relay -J496-

2 -	Wiper motor switch-over relay 1 -J368-

3 -	Wiper motor switch-over relay 2 -J369-

AUDI A1 2015 Electronics box: relay / fuse holder B SB , Fuse holder H SH For S1 version models, from January 2014 Electronics box: relay /fuse holder B -SB-, Fuse holder H -SH- For S1 version models, from January 2014 Fitting location: in left of engine compartment. For S1 version models only, (engine code: CWZA), from January 2014.

A -	Electronics box

R1 -	High heat output relay -J360-

R5 -	Wiper motor switch-over relay 1 -J368-

R6 -	Wiper motor switch-over relay 2 -J369-

Note The relays: main relays -J271- (R4), starter relay 1 -J906- (R3) and starter relay 2 -J907- (R2) are permanently installed in the electronics box. AUDI A1 2015 Electronics box: relay / fuse holder B SB , Fuse holder H SH for models from November 2014 only Electronics box: relay /fuse holder B -SB-, Fuse holder H -SH- for models from November 2014 only Fitting location: in left of engine compartment.

A -	Electronics box

R1 -	High heat output relay -J360-

R5 -	Wiper motor switch-over relay 1 -J368-

R6 -	Wiper motor switch-over relay 2 -J369-

Note The relays: main relays -J271-/ Terminal 30 voltage supply relay -J317- (R4), starter relay 1 -J906- (R3) and starter relay 2 -J907- (R2) are permanently installed in the electronics box.